Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what ...

Volcanic ash can also wreak havoc on infrastructure by clogging water supplies, short-circuiting electrical systems and ...

The ash settled several feet thick around the island of Luzon ... The hole in the ozone layer above Antarctica reached its largest size following the eruption. Mount Pinatubo proved the value of early ...

Ash clouds are made of tiny particles that were lofted into the atmosphere from a volcanic eruption and can have a huge ...

Fine ash can infiltrate the lungs of people and ... as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated. During an ashfall event, the most effective strategy ...

Fine ash can infiltrate the lungs of people and ... as the 1991 eruption of Mount Pinatubo in the Philippines dramatically demonstrated. What to do during ashfall During an ashfall event, the ...